Sökning: "web breaks"
Visar resultat 1 - 5 av 10 avhandlingar innehållade orden web breaks.
1. Dryer Section Control in Paper Machines During Web Breaks
Sammanfattning : Web breaks in the dryer section of a paper machine cause loss of production and quality problems. After a web break, the steam pressure in the cylinders must be reduced to avoid overheating. LÄS MER
2. A Changing Experience : communication and meaning-making in web-based teacher training
Sammanfattning : This is a study of students’ meaning making in web-based higher education courses. Conditions for students meaning-making change when interaction technology is used to support educational practices. Widened Participation policy activities often use web-based programs to attract “new” groups of more experienced students. LÄS MER
3. Mellan "jag" och andra. Nätbaserade studentdialoger med argumentering och responsgivning för lärande
Sammanfattning : Avhandlingen handlar om kvaliteten i studenters nätbaserade argumentering och responsgivning. Handlar det om vardagssamtal eller vetenskapliga diskussioner? Syftet är att undersöka om och i så fall hur studenters skriftliga, asynkrona dialoger bidrar till utveckling av kollektivt och individuellt lärande i en nätbaserad akademisk kontext. LÄS MER
4. α1-microglobulin – Therapeutic opportunities in kidney and erythrocyte pathology
Sammanfattning : Oxidative stress is defined as an imbalance between oxidants and antioxidants. The reasons behind the condition are diverse, and can result in, or contribute to, the severity of many diseases. The body has different protective mechanisms to reduce the oxidative burden, among them a protein called α1-microglobulin (A1M). LÄS MER
5. Measurement and prediction of dewatering characteristics for mechanical pulpsusing optical fibre analysis
Sammanfattning : On‐line measurement of relevant fibre and pulp characteristics is necessary in order to increase productivity and to maintain uniform quality. The drainage properties within the wire and the press section are important factors since they affect the dry content after the press section. LÄS MER